has role has functional parent primary alpha-hydroxy ketone tertiary alpha-hydroxy ketone p-quinones doxorubicin deoxy hexoside antineoplastic agent oxanes aminoglycoside anthracycline cardiotoxic agent tetracenequinones monosaccharide derivative pirarubicin CHEBI:94770 An anthracycline that is doxorubicin in which the hydroxy group at position 4' is replaced by a (2<i>R</i>)-tetrahydro-2<em>H</em>-pyran-2-yloxy group.